/// <summary>
/// 销量走势图
/// </summary>
/// <param name="app"></param>
/// <param name="title"></param>
/// <returns></returns>
private async Task <ChartViewConfig> SaleTrendChatPage_Chart(Module app, string title)
{
ChartViewConfig chartData = null;
try
{
var result = await _reportingService.GetSaleTrendingAsync("day", this.ForceRefresh, new System.Threading.CancellationToken());
if (result != null && result.Any())
{
var series = result.ToList();
if (series.Count > 50)
{
series = result.Take(50).ToList();
}
chartData = new ChartViewConfig()
{
BackgroundColor = Color.White,
ChartConfig = new ChartConfig
{
type = Wesley.ChartJS.ChartTypes.Line,
data = ChartDataProvider.GetSaleTrendChat(series),
}
};
}
return(chartData);
}
catch (Exception ex)
{
Crashes.TrackError(ex);
return(chartData);
}
}
private void RefreshData(List <SaleTrending> series)
{
int i = 0;
Random random = new Random();
if (series == null || series.Count == 0)
{
for (i = 1; i <= DateTime.DaysInMonth(DateTime.Now.Year, DateTime.Now.Month); i++)
{
series.Add(new SaleTrending()
{
DateType = "DAY", NetAmount = random.Next(200), SaleAmount = random.Next(200), SaleDateName = DateTime.Now.AddDays(i).ToString("yyyy-MM-dd"), SaleReturnAmount = random.Next(200), SaleDate = DateTime.Now.AddDays(i)
});
}
}
string[] weekdays = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };
series.ForEach(d =>
{
if ("DAY" == d.DateType.ToUpper())
{
d.SaleDateName = d.SaleDate.ToString("yyyy/MM/dd");
}
else if ("WEEK" == d.DateType.ToUpper())
{
d.SaleDateName = weekdays[Convert.ToInt32(d.SaleDate.DayOfWeek)];
}
else if ("MONTH" == d.DateType.ToUpper())
{
d.SaleDateName = d.SaleDate.ToString("yyyy-MM");
}
});
RankSeries = new ObservableCollection <SaleTrending>(series);
TotalAmount = RankSeries.Select(s => s.NetAmount).Sum();
var ranks = series.ToList();
if (ranks.Count > 10)
{
ranks = ranks.Take(10).ToList();
}
var data = new ChartViewConfig()
{
BackgroundColor = Color.White,
ChartConfig = new ChartConfig
{
type = DCMS.ChartJS.ChartTypes.Line,
data = ChartDataProvider.GetSaleTrendChat(ranks),
}
};
ChartConfig = data;
}